641d25d8dbb725479380ae1288ae2b2e *ph97-08-16d2t1.shn fac1adb1fdcb199a59d1f6f41ac63746 *ph97-08-16d2t2.shn 17cb3209453bf9202d74c169490f11f8 *ph97-08-16d2t3.shn 242bffe1e19b159d38e4241be08d25b8 *ph97-08-16d2t4.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned